appup

FILE

FILE SUMMARY

Application upgrade file

DESCRIPTION

The application upgrade file defines how an
application is upgraded in a running system.

This file is used by systools to generate release
upgrade files.

FILE SYNTAX

Applications can be upgraded and the instructions to do this are placed in the .appup file for the application. For example, for the snmp application these instructions are placed in the snmp.appup file. The .appup file looks as follows:

The application upgrade file is called Name.appup where
Name is the name of the application. The file should be
located in the ebin directory for the application.

The .appup file contains one single Erlang term, which
defines the instructions used to upgrade the application. The
file has the following syntax: